The United States is facing a growing threat from the H5N1 bird flu outbreak. Scientists are concerned that existing vaccines ...

Wild birds, poultry, cattle and even farmworkers in the United States have already caught the virus, urging scientists to ...

H5N1 influenza is evolving rapidly, weakening the effectiveness of existing antibodies and increasing its potential threat to ...

By most indications, the avian influenza outbreak that has washed over U.S. farms is at an ebb. Experts don’t seem hopeful, ...

That era might now be over. In recent years, the U.S. had already begun to neglect its public-health infrastructure, ...

Department of Health and Human Services Secretary Robert F Kennedy Jr has warned that a 'leaky vaccine' could increate the ...

USDA Secretary Brooke Rollins says the agency is hyper-focused on poultry, but no vaccine is yet available. The agency has ...

In an update yesterday on scientific investigations related to H5N1 avian flu activity, the Centers for Disease Control and ...

Health secretary RFK, Jr. has repeatedly suggested that farmers should let bird flu spread through flocks. Experts explain ...

The H5N1 avian influenza virus is mutating to evade immune defenses in mammals following prior infection or vaccination.

Bird flu “is adapting to mammals, and it continues to show new tricks,” Nelson tells The Verge. The virus is spreading widely ...

The most effective strategy against bird flu on chicken farms is prevention, writes former FDA Commissioner Scott Gottlieb — ...